Compilare: user.cpp: In function ‘int main()’: user.cpp:8:29: warning: unused variable ‘da’ [-Wunused-variable] int v,a[11]={0},uc,nr=0,da=1,j,i,p=0; ^ user.cpp:13:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&v); ^ user.cpp:14:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%lld",&n); ^